Floating boat lift with retracting walkway
US5826528A · kind A · utility
21Cited by
8References
18Claims
0Family size
Inventor
Key dates
| Filing date | Feb 3, 1997 |
| Grant date | Oct 27, 1998 |
| Priority date | — |
| Expiry date | Feb 3, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C3/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A floating boat lift for raising a boat out of and securing same above a body of water. This boat lift consists of two float supported frames which are held parallel and separated by two parallel lift bars which are held parallel and separated by a pair of support bunks and, or, two crossed spacing members. The lift bars are attached to the float supported frames through the use of a pair of 7-link mechanisms on each end of each of the lift bars. These mechanisms, referred to as cascaded four bars in the following sections, are positioned such that the lift bar are between a pair on each end of the lift bars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.